Home / 6,720,991.68-10,081,489.64-1,672,302.20

Finding the Fourth Proportional to 6,720,991.68, 10,081,489.64 and 1,672,302.20

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Solution

The fourth proportional to 6,720,991.68, 10,081,489.64 and 1,672,302.20 is: 2,508,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,991.68 : 10,081,489.64 = 1,672,302.20 : x
  2. Step 2: Convert to fraction form
    6,720,991.68/10,081,489.64 = 1,672,302.20/x
  3. Step 3: Cross multiply
    6,720,991.68x = 10,081,489.64 × 1,672,302.20
  4. Step 4: Simplify right side
    6,720,991.68x = 16,859,297,304,249.21
  5. Step 5: Solve for x
    x = 16,859,297,304,249.21/6,720,991.68
  6. Step 6: Final answer
    x = 2,508,453.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.